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vol.7Micromammals in the Northern Cape Province of South Africa, past and presentThe Upper Cretaceous ammonite Grandidiericeras Collignon, 1961 (Puzosiinae), from the St Lucia Formation of KwaZulu-Natal, South Africa author indexsubject indexarticles search
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African Natural History

On-line version ISSN 2305-7963
Print version ISSN 1816-8396


KLINGER, Herbert Christian  and  KENNEDY, William James. Hoplitoplacenticeras (H.) howarthi Collignon, 1970 (Cephalopoda: Ammonoidea) from KwaZulu-Natal, South Africa and Madagascar; intraspecific variation, dimorphism and affinities. Afr. nat. history (Online) [online]. 2011, vol.7, pp.41-61. ISSN 2305-7963.

Additional specimens of the Campanian ammonite Hoplitoplacenticeras (H.) howarthi Collignon, 1970, as well as examination of Collignon's (1970) Madagascar! specimens of Hoplitoplacenticeras allow us to discuss the intraspecific variation, probable dimorphism and affinities of the species.

Keywords : ammonites; Hoplitoplacenticeras; Upper Campanian; intraspecific variation; dimorphism; affinities; Madagascar; KwaZulu-Natal; South Africa.

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